How to clean the sand in a tropical aquarium?
I thought having a silica sand bed at the bottom of the tank is supposed to give an easier life than cleaning gravel? Lifting the poop from the top of the sand bed I have no problem with, using an electric gravel cleaner. But what about the poop that buried inside the sand, how do I get rid of that? I was told to stir the sand to kick up any muck that’s inside it, and the sand will settle with the muck (which is less dense than sand) settling on top where for easy removal. But that’s not working with me. I do uncover a load of poop on top of the bed and I remove that, but when I stir the sand again, more poop gets uncovered. It seems I’ll have to do the process a hundred times until the substrate is totally clean. What’s the best way to keep sand clean? What am I doing wrong?
Use less sand. If your tank is not planted, a 1/2 inch cover of sand is more than enough. And it is not the most horrible thing if you don’t get ALL of the poop, as long as you keep all the parameters good (0 ammonia, 0 nitrite, and low nitrate) and stir up the sand bed once in a while to make sure that pockets of anaerobic bacteria are eradicated.
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